high compression ratio 中文意思是什麼

high compression ratio 解釋
高壓縮比
  • high : adj 1 高的〈指物，形容人的身高用 tall〉；高處的；高地的。2 高級的，高等的，高位的，重要的。3 高尚...
  • compression : n. 1. 壓縮；壓緊；濃縮，緊縮。2. 加壓；壓抑。3. （表現的）簡練。4. 應壓試驗。
  • ratio : n. （pl. ratios）1. 比，比率，比值；比例；系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達；求出…的比值；使…成比例。2. 將（相片）按比例放大或縮小。
  1. Researchers have developed many methods for image compression, and fractal image compression, as a new scheme of image compression, has received a great deal of attention and study from researchers all over the world in the field of image compression because of its desirable properties such as fast decoding, resolution independence of decoded image and high compression ratio

    目前人們已經提出了很多壓縮方法，而分形圖像壓縮作為一種新的壓縮方法，因其具有壓縮比高、解碼速度快、解碼圖像與解析度無關等優點，十余年來引起了眾多學者的關注和研究。
  2. Taking the storage and transfer of mass image data into consideration, not only could favorable image compression techniques achieve high compression ratio and fidelity, they should also meet the demands of web applications, image compression need further detailed study, thus having developed into a specialized research field known as image coding

    出於圖像存儲技術和圖像通信的考慮，良好的圖像壓縮技術不僅能夠實現高壓縮率和高保真率，還能滿足諸如漸進傳輸、圖像漸現等網路應用的需要。因此，為了滿足實際應用的需要，有必要對圖像數據壓縮處理進行深入細致的研究，目前已發展成為專門的研究領域:圖像編碼。
  3. So the subjective iqa can not be used widely. today image encoding pursues low error rate and high compression ratio, which needs effective iqa

    客觀保真度這一概念用來描述評價對象與參考圖像間的相似程度，即是對圖像逼真度的測量。
  4. Firstly, the up - to - date state of the high energy chemical laser weapon systems in the world is introduced and the development trend is viewed. the requirement to develop the high performance, high compression - ratio prs is put forward

    首先，介紹了國際上高能化學激光武器及其壓力恢復系統的最新研究狀況和發展趨勢，對高性能、大壓縮比prs系統設計提出了要求。
  5. The experiment result proves the high compression ratio and good quality of character shape by using our method

    實驗結果證明了漢字字形結構式壓縮演算法的可以獲得較高的數據壓縮率和高質量的字形還原效果。
  6. A favorable image compression technique can not only achieve high compression ratio and fidelity but also meet such demands such as progression transmission. firstly, the development course of the image compression theories and standards is introduced

    出於圖象存儲和圖象通信的考慮，良好的圖象壓縮技術不僅能夠實現高壓縮率和高保真度，還應該滿足諸如漸進傳輸、圖象漸現等網路應用的需要。
  7. Then it is possible to realize high compression ratio of images. in this paper the principle of which wavelet transform can be used in images compression is discussed on basis of statistics and analysis of image ' s wavelet coefficients after wavelet decomposition. also some kinds of quantify and coding schemes are discussed including scalar quantization, vector quantization, embedded zerotree wavelets encodings run length coding, huffman coding and so on

    論文對圖像經分解后的小波系數進行統計與分析，闡述了小波變換所以能夠用於圖像壓縮的道理，並在此基礎上討論了多種量化和編碼方案的設計與實現，包括標量量化、矢量量化、嵌入小波零樹編碼、行程編碼、哈夫曼編碼等，其中對jpeg2000採用的標量量化和嵌入小波零樹編碼作了重點討論和分析。
  8. We study the code model characteristic of videos, analyse the characteristic of mpeg data structure and similarities and differences of forms of avi video. the method which compresses the information of an image and the differences of images is adopted to reach the high compression ratio. mpeg compresses algorithms as the international standard, is supported together by many computer platforms now, have better compatibility than avi video

    論文首先簡要地介紹了課題背景和當前的研究狀況，研究了視頻編碼模型特點，分析了mpeg - 2數據結構特點和avi視頻格式的異同，在同等的視覺質量范圍下mpeg - 2採用有損壓縮方法減少運動圖像中的冗餘信息從而達到高壓縮比，因此mpeg - 2壓縮演算法作為國際標準，被許多的計算機平臺共同支持，較avi視頻具有更好的兼容性。
  9. This method has many advantages compared to the latter and is testified by many images. ( 2 ) because fractal coding has the characteristic of high compression ratio, this thesis designed a spatial self - embedding watermarking technique. after self - embedding, it can detect any changes to a watermarked image as well as localizing the areas that have been tampered

    （ 2 ）鑒于分形圖像壓縮具有很高的壓縮比且重構圖像效果好的優點，本文利用分形壓縮實現了一種空域自嵌入水印演算法，不但能對篡改區域進行有效定位，而且具有修復功能。
  10. 3, high and clear degree television : because of the problem that the distinguishing the rate of high and clear degree television is very high, and bring is a program for needing to deliver to take the breadth very high, must use the high compression ratio may just deliver the high and clear degree television. on this point, the current there is mpeg2 technique and can be competent

    3高清晰度電視：由於高清晰度電視的解析度很高，帶來的問題是所需的節目傳輸帶寬很高，必須使用高壓縮比才有可能傳送高清晰度電視。在這一點上，目前只有mpeg2技術能夠勝任。
  11. The results of the experiments has shown : the lpg / diesel dual fuel engine has kept its high power performance and reduced its emissions, especially the soot and nox after the fuel - supplied system has been set up ; the fuel economy performance has been improved at some degree when high load ; however, when lpg ratio increased, the engine showed the trend of violence for high compression ratio

    試驗結果表明：在採用了自行設計的聯動式燃油供給系統后， lpg柴油雙燃料發動機在保持原機高功率的同時，排放量，尤其是碳煙和no _ x有大幅度的降低；在高負荷時，其燃油經濟性也有相當的提高。但當lpg的摻燒比加大到50以上時，會出現工作粗暴的傾向。
  12. According to information theory, we conclude that lossless compression of radar data could n ' t obtain high compression ratio. this point has been verified by the results of the experiments

    本文運用信息論的有關理論，得出了雷達回波的無損壓縮演算法不可能獲得高的壓縮比的結論並且實驗的結果也驗證了結論是正確的。
  13. High injection speed and high compression ratio screw are more suitable for sebs manufacturing

    快速注射與高壓縮比螺桿high compression ratio screw更適合於sebs的加工
  14. Due to it ' s object - based idea, it has the virtue of high compression ratio, scalability, inter - activity with users and so on

    基於對象的編碼思想使其具有高壓縮比、可擴展性、可交互性等許多優點。
  15. Experiments validate that the encoder can realize real - time video coding at the speed of 25 cif pictures per second. moreover it possesses good visual quality and high compression ratio

    通過測試驗證，該編碼器在保持很好的圖像質量和高壓縮比的同時，實現了實時的視頻壓縮，處理速度可以達到cif格式的25幀/秒。
  16. 2. analyse lfm signal compression performance with high compression ratio ， program the correlative test software ， compare the pulse compression performance with various window - functions and get the satisfied results. 3

    分析了lfm信號在高壓縮比情況下的壓縮性能，並編制了相關測試軟體，對不同加窗情況下的脈沖壓縮性能進行了比較，取得了滿意的效果。
  17. Therefore, coding file only stores ifs code, which can achieve high compression ratio

    因此，編碼文件只需存儲ifs碼，從而能得到較高的壓縮比。
  18. Puts forward a cascade heat pump unit to solve some application problems of conventional units in winter in cold regions, such as high compression ratio and low heating efficiency

    摘要提出了一種復疊熱泵機組，以解決常規空氣源熱泵冷熱水機組在寒冷地區冬季使用壓縮比高、效率低等問題。
  19. Based on it, the performances of all kinds of supersonic ejectors are compared and the effects of variety of input parameters on the performances of supersonic ejectors are discussed. the conclusion is reached, that the design scheme of small ejecting coefficient, high ejecting mach - number, combustion - gas driving should be adopted to develop high performance, high compression - ratio prs. thirdly, the method of computational fluid dynamics is used to numerically solve the flow - field of the annular supersonic ejector with or without a second flow

    接著，推導了超聲速引射器各種一維理論模型，並應用一維理論公式分析、比較了各種超聲速引射器的性能及其變化規律，全面探討了各設計參數對超聲速引射器性能的影響，得到了高性能、大壓縮比引射器系統應該採用小引射系數、高引射馬赫數、燃氣引射、優化超聲速引射器設計方案的結論。
  20. As the information era proceeds, highly developed digital image processing technique and communication technique make multimedia communication possible, and it is now on the way of progress. video conference have received more attention as an example of multimedia. in this paper we first describe the construction and characteristic of the video conference system and analyze the theory of protocol with itu - t h. 323 recommendation which inculde video and audio codec standard, communication control protocol h. 245. call signalling protocol h. 225, as well as procedures within these protocols define how these components communicate. also an experimental video conferencing system is designed and some relating key technologies are studied, which include multithread programming, transmission technology, mcu technology, qos mechanism and so on. especially, a video codec based on h. 263 recommendation with high fram rate as well as high compression ratio is researched and implemented because of importance of video application, which solves the bad image reconstrction quality problem existed in the most present video systems that adopt h. 261 video compression algorithm. by using these technologies. a video conferencing system is implemented based on lan. the system that the paper provides is easy to implement and the results of exmperiment is good. such system can be widely used in the fields such as business conference, distance education etc. and it is of good practical value

    隨著信息時代的前進，數字圖像處理技術和通信技術的高度發展，多媒體通信已成為可能並已初具規模，視頻會議作為它的一個具體應用實例受到普遍關注。本文首先對國際電信聯盟itu - t制定的基於分組交換的多媒體通信h . 323系列建議進行了闡述，其中包括ip網路視頻會議系統的結構組成、視頻傳輸標準、音頻傳輸標準、系統的信息碼流、通信控制協議h . 245和呼叫信令協議h . 225以及會議系統的進行過程。在此基礎上給出了ip視頻會議的實現的整體框架，為系統的軟體實現進行了模塊的劃分和整體設計，分析了各個模塊的功能、作用。
分享友人
分享到 Line

分享到臉書